NMFN-package {NMFN} | R Documentation |
Non-negative Matrix Factorization
Package: | NMFN |
Type: | Package |
Version: | 1.0 |
Date: | 2009-11-24 |
License: | GPL |
LazyLoad: | yes |
Suhai (Timothy) Liu <suhai_tim_liu@hotmail.com> based on multiplicative updates (Lee and Sung 2001) and alternating least squares algorithm; Lars Kai Hansen's nnmf_als Matlab implementation; Torsten Hothorn's Moore-Penrose inverse function
Lee and Sung - Algorithms for non-negative matrix factorization. In Advances in Neural Information Processing Systems 13, 2001.
X <- matrix(1:12,3,4) ss <- nnmf(X,3) # 3 factors sx <- nnmf(X,3,'nnmf_als') # 3 factors